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Finding the Fourth Proportional to 802,920.88, 1,107,714.72 and 463,323.52

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Solution

The fourth proportional to 802,920.88, 1,107,714.72 and 463,323.52 is: 639,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,920.88 : 1,107,714.72 = 463,323.52 : x
  2. Step 2: Convert to fraction form
    802,920.88/1,107,714.72 = 463,323.52/x
  3. Step 3: Cross multiply
    802,920.88x = 1,107,714.72 × 463,323.52
  4. Step 4: Simplify right side
    802,920.88x = 513,230,283,226.21
  5. Step 5: Solve for x
    x = 513,230,283,226.21/802,920.88
  6. Step 6: Final answer
    x = 639,204.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.